Replacement Furnace Air Cleaner Filter for high efficiency air cleaners by Aprilaire and SpaceGard. High-Performace, High-Output Micro-Free Gold HEPA-Type filter. Features Time-Saver Easy Installation Design. Traps up to 95% of airborne particles from 0.3 to 10.0 microns.
Equivalent Air Filter:
Aprilaire and SpaceGard Air Cleaners: 2200, 2250
Lennox Healthy Climate: PMAC-20C (X0445)
Replace at least once per year.